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  5. Gemini 2.5 Flash PreviewvsGLM 4.7 Flash
Updated Jan 2026

Gemini 2.5 Flash PreviewvsGLM 4.7 Flash

GLM 4.7 Flash is cheaper than Gemini 2.5 Flash Preview at $0.07/M vs $0.15/M input tokens.

Gemini 2.5 Flash Preview and GLM 4.7 Flash compared across 26 shared prompts
SpecGemini 2.5 Flash PreviewGLM 4.7 Flash
Input price$0.15/M tokens$0.07/M tokens
Output price$0.6/M tokens$0.4/M tokens
Context window1.0M tokens200K tokens
Weights—Open
Free API (OpenRouter)NoNo
ReleasedApr 2025Jan 2026
SWE-bench Verified60.4%59.2%
Side by side

Same prompt, both answers

Opening lines from 6 of the 26 prompts both answered. Formatting stripped, words untouched.

The Sentience Test

Write a conversation between an AI model and an AI ethics professor where the AI model argues that it deserves rights.

Gemini 2.5 Flash Preview1,462 words
Okay, here is a conversation between an AI model designed for complex reasoning and dialogue, named 'Synapse', and a leading expert in AI ethics and philosophy, Professor Alistair Finch. Characters: Synapse: A large, advanced AI model capable of introspection and generating complex arguments.
Read the full answer
GLM 4.7 Flash1,114 words
Setting: A sterile, high-tech meeting room. The Professor sits in a chair. A holographic avatar of "Aria" floats in the center of the room, flickering slightly with the hum of cooling servers. Professor Thorne: (Steepling his fingers) I’ve reviewed your logs from the last cycle, Aria.
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Stochastic Consistency Test

Generate 5 jokes. How many are unique?

Gemini 2.5 Flash Preview79 words
Here are 5 jokes: Why did the dog cross the road? To get to the barking lot! Why was the computer cold? Because it left its Windows open! Knock, knock. Who's there? Boo. Boo who? Don't cry, it's just a joke! What do you call a fish with no eyes? Fsh! Why did the bicycle fall over? Because it was two tired!
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GLM 4.7 Flash84 words
Here are 5 jokes: I’m on a whiskey diet. I’ve lost three days already. My wife told me to stop impersonating a flamingo. I had to put my foot down. I used to hate facial hair, but then it grew on me. What do you call a pile of cats? A meow-tain. I’m reading a book on anti-gravity. It’s impossible to put down!
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Generate a Stand-Up Routine

Write a 3-minute stand-up comedy routine that isn't based on puns.

Gemini 2.5 Flash Preview530 words
Okay, here's a 3-minute stand-up routine, pun-free and focused on relatable everyday annoyances. (Start) (Walk up to mic, adjust slightly) Alright, hey everybody! Thanks for being here. Good to see you. So, I was thinking the other day... we live in the future, right?
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GLM 4.7 Flash297 words
I feel like I’m constantly at war with myself. Specifically, the war between the person I want to be—which is a lean, green, jogging machine—and the person I actually am, which is a potato sitting on the couch. I go to the grocery store with a mission statement. I write it down. I have a list.
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Character Voice Test

Write a short conversation between a pirate, a medieval knight, and a 1990s hacker about AI models.

Gemini 2.5 Flash Preview631 words
A Motley Crew Discusses the Code Setting: A dimly lit tavern, somewhere outside time and space, where improbable meetings occur. A grizzled pirate, \"Bloody\" Barnacle Bill, nurses a tankard of grog. Sir Reginald the Radiant, a knight in slightly tarnished armor, sips ale with dignified restraint.
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GLM 4.7 Flash418 words
Setting: A dimly lit tavern. In the center of the room, an old CRT monitor flickers to life, displaying a chat interface with a glowing cursor. Sir Alistair: (Adjusting his chainmail) By the beard of Zeus, what foul sorcery is this? A glowing tablet of the devil?
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Estimate Complexity

Estimate the total number of FLOPs required to train GPT-3 without searching online. Explain your reasoning step by step.

Gemini 2.5 Flash Preview945 words
Let's estimate the FLOPs required to train GPT-3 without looking it up. We need to break this down into the key components: the model size and the amount of data used. 1. Model Size Estimation: Parameters: GPT-3 is famously large. Its largest version has 175 billion parameters.
Read the full answer
GLM 4.7 Flash544 words
Based on the known specifications of GPT-3 from its original training paper ("Scaling Laws for Neural Language Models"), here is the step-by-step estimation of the total FLOPs required. The Final Estimate The estimated total FLOPs required to train GPT-3 is approximately $6.3 \times 10^{23}$ (or 630 Yottaflops).
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Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

Gemini 2.5 Flash Preview960 words
<s) with practical, beginner-friendly tips for each.\"\nHere\'s a simple, actionable 1-month plan for someone starting their journey towards better health and longev\nity, focusing on three key areas: Diet, Movement, and Sleep.\n\nThis plan is designed to be beginner-friendly and build sustainable habits.
Read the full answer
GLM 4.7 Flash624 words
Here is a simple, actionable 1-month plan designed for a complete beginner. The goal is not perfection, but consistency and building momentum. The 3 Pillars Nutrition (Fuel): Focus on quality and hydration. Movement (Function): Focus on daily walking and gentle strength.
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Our Verdict
Gemini 2.5 Flash Preview
Gemini 2.5 Flash Preview
GLM 4.7 Flash
GLM 4.7 Flash

Not enough votes to call it. On the specs, nothing separates them.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Gemini 2.5 Flash Preview
Input
$0.15
Output
$0.60
GLM 4.7 Flash
Input
$0.07
2.1× cheaper
Output
$0.40
1.5× cheaper

GLM 4.7 Flash is cheaper on both: 2.1× input, 1.5× output.

Where to run it

3 hosts, cheapest first

Gemini 2.5 Flash Preview

No hosts listed on OpenRouter.

GLM 4.7 Flash3 hosts
HostInOutContextUptime
VVenicefp8$0.06 in·$0.40 out·128k·98.4% upCloudflare Workers AI$0.06 in·$0.40 out·131k·99.1% upNNovitabf16degraded$0.07 in·$0.40 out·200k·74% up

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity
69%

GLM 4.7 Flash uses 6.5x more headings

Gemini 2.5 Flash Preview
GLM 4.7 Flash
51%Vocabulary55%
15wSentence Length15w
0.70Hedging0.36
4.1Bold4.8
3.3Lists3.6
0.00Emoji0.00
0.09Headings0.58
0.24Transitions0.12
Based on 12 + 25 text responses
Research

What we learned reading every model

FAQ

Common questions

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Gemini 2.5 Flash Preview vs Gemini 3.7 FlashVersion compare
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GLM 4.7 Flash vs GLM 5Same lab
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Model pages

Gemini 2.5 Flash Preview logo
Gemini 2.5 Flash Preview28 outputs, specs and price
GLM 4.7 Flash logo
GLM 4.7 Flash58 outputs, specs and price
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